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Cytokine production in vitro and in rat model of colitis in response to Lactobacillus plantarum LS/07.

  • 2017-10
  • Biomedicine & Pharmacotherapy 94
    • Jana Štofilová
    • T. Langerholc
    • C. Botta
    • P. Treven
    • L. Gradišnik
    • Rastislav Salaj
    • A. Šoltésová
    • I. Bertková
    • Z. Hertelyová
    • A. Bomba

Abstract

Over the past decade, it has become clear that specific probiotic lactobacilli are valuable in the prevention and treatment of infectious and inflammatory diseases of gastrointestinal tract but their successful application would benefit greatly from a better understanding of the mechanisms of individual strains. Hence, each probiotic strain should be characterized for their immune activity before being proposed for clinical applications. The aim of the study was to characterize the immunomodulatory activity of the strain Lactobacillus (L.) plantarum LS/07 in vitro using functional gut model and to study its anti-inflammatory potential in dextran sulphate sodium (DSS)-induced colitis in rats. We showed that L. plantarum LS/07 induced production of IL-10 in macrophages derived from blood monocytes as well as monocyte/macrophages cell line stimulated indirectly via enterocytes in vitro. In rat model of colitis, L. plantarum LS/07 attenuated the DSS-induced signs of inflammatory process in colon such as weight loss, diarrhoea, infiltration of inflammatory cells associated with decreased colon weight/length ratio, inhibited gut mucosa destruction and depletion of goblet cells. Moreover, the strain increased the concentration of anti-inflammatory cytokine IL-10 in mucosal tissue. In conclusion, the protective effects of L. plantarum LS/07 in the DSS-induced colitis model seem to be related to the stimulation of IL-10 and the restoration of goblet cells and indicate it as a good candidate to prevent and treat diseases associated with inflammation.

Keywords: Colitis; Cytokine; Functional gut model; Inflammation; Lactobacillus plantarum.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactobacillus plantarum VPro 10Increased IL-10 in Mucosal TissueBeneficial
Moderate
Lactobacillus plantarum VPro 10Increased IL-10 ProductionBeneficial
Moderate
Lactobacillus plantarum VPro 10Reduced Inflammation LevelsBeneficial
Large

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